Weldless pile-band.



H. A. MULAUGHLIN.

WBLDLBSS PILE'BAND. APPLICATION FILED SEPT. 1o, 1910.

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w nemers freres no., wAs/mvcmv r HENRY AUGUSTON MCLAUGHLIN, 0F

JACKSONVILLE, FLORIDA.

WELDLESS PILE-BAND.

Specification of Letters Patent.

Patented May 30, igi.

Application filed September 10, 1910. Serial No. 581,465.

To all whom it may concern:

Be it known that I, HENRY A. MCLAUGH- LIN, a citizen of the UnitedStates, residing at Jacksonville, in the county of Duval and State ofFlorida, have invented certain new and useful Improvements in eldlessPile- Bands; and I do hereby declare the following to be a full, clear,and eXactdescription of the invention, such as will enable othersskilled in the art to which it appertains to make and use the same.

In driving wooden piles it has been found necessary to apply a metallicband or cap to the top thereof in order to pr-event the splitting andshattering of the upper portion of the pile by the repeated blows of thehammer thereon. Up to the present time, the most common means forprotecting the heads of the piles has been a band formed by bending aniron bar and welding the ends thereof together. These Weldedbands,however, are very unsatisfactory, since the edges of the bandsvery quickly become battered under the blows of the hammer, and the samein place on bands are continually bursting at the welded joint.

The object of the present invention has been to overcome this diflicultyby the provision of a weldless pile band which possesses greatiexibility and strength and will not burst under any ordinary conditionsof use.

The invention further contemplates the provision of a pile band of thischaracter which is inexpensive in its construction, and which is formedwithout the necessity of heating the iron, thereby eliminating anypossibility of crystallization of the metal which is a very frequentdefect in the welded l bands.

Vith these and other invention consists in certain combinations i andarrangements of the parts as will more l fully appear as the descriptionproceeds,l the novel features thereof being pointed out in the appendedclaims.

For a full understanding of the invention, reference is to be had to thefollowing description and accompanying drawings, in which objects inview, the

top plan view of a weldless being broken away to show 2 is a sideelevation of the the end of a pile.

Corresponding and like parts are referred to in the followingdescription and indicated in all the views of the drawings by the samereference characters.

In constructing one of the weldless pile bands, a strip of iron or othersuitable metal is coiled upon itself a number of times to provide a ringformed with several thicknesses of material. In the present instance,the strip of iron which is designated by the numeral l is coiled uponitself three times so that the ring has three thicknesses, eX- cept atthe point where the ends of the strip l overlap, where the ring has fourthicknesses. At this point where the ends of the strip overlap, a numberof threaded. openings are provided to receive the tap bolts 2. These tapbolts serve to secure the ends of the strip 1 so that a ring is formedwithout the necessity of a welded oint.

It will be obvious that when the band is the friction between thevarious Figure l is a pile band parts joint, and Fig.

in use, layers or thicknesses thereof will serve to prevent anyexcessive strain from being brought upon the tap bolts 2. Attention mayalso be directed to the fact that a band thus formed of several layersof material will have greater flexibility than a solid band and will notbatter up on the edges under the blows of the hammer as quickly as asolid band. A band constructed as above described has the furtheradvantage of being cold rolled, which renders it impossible for themetal to become crystallized as frequently happens where it is necessaryto bring the iron into contact with a fire for the purpose of forming awelded joint.

This weldless pile band can be used repeatedly without materialdeterioration, and will never break under ordinary circumstances.

I-Iaving thus described the invention,what I claim as new and desire tosecure by Letters Patent, is

1. A pile band comprising several thicknesses of material and formed bycoiling a single metallic strip upon itself a number extremities of thestrip and intermediate of times, means being provided for securingconvolutions thereof. 10 the extremities of the strip tointermediate Intestimony whereof I affix my signature convolutions thereof. in presenceof two Witnesses.

2. A pile band formed with a plurality of HENRY AUGUSTON MCLAUGHLIN.layers of material and constructed by spi- Vitnesses: rally coiling anon-heated metallic strip, Jol-IN E. VOOD, bolts being provided Whichpass through the W. J. CARRIER.

Copies of this patent may be obtained for ve cents each, by addressingthe Commissioner of Patents, Washington, D. C.

